I have never had the need (and probably never will) for a device that could measure the amount of salts in a solution, but I found the circuit to be very interesting. This EC TDS PPM Meter project provides all the information you need to make your very own. "TDS is the measuring of the amount of salts in a solution. For alot of applications the amount
Have a look at this Binary Hard Drive Clock Project that Dave from Dave’s Tech Blog put together. It is using one of my favorite pieces used computer hardware, that is of course the hard drive! Of course he is also using my favorite color of LED, that being the Blue LED! Dave has a schematic and code on his site so that you can make your own. Watch
What do you do if your latest hack needs a little piece of fiberglass fairing? Well you do what any experienced RC Helicopter pilot does, you use your vacuum press. Whether it’s fiberglass, carbon fiber, Kevlar or even laminating wood. You can use a shop vac and electric grill to build a set up like this for forming plastic. Or build your own vacuum pump if you
People have been talking about bio feedback games in the past but Rob has actually pulled it off! Have a look at this Pong Game that he built using some bio feedback. Up and down is controlled by flexing either the left or right arm, to serve both arms are flexed at the same time.
Congratulation to the last contest winner. A little something different this time. There will be two prizes and two ways to enter. Just like the Name the Thing Contests in the past you can send your answer by email. You can also guess what it isn’t by leaving a comment in the comments section below. The contest will run till mid-week instead of just the weekend, January 19 –
Our friends over at Amateur Logic TV goes on a tour of the Ameritron Amplifier Factory. Watch how a small production item is made. " A visit to the Ameritron Amplifier Factory. Learn how these popular tube type and solid state RF amplifiers are built."
If you are an obsessive compulsive this LEGO Mindstorms Robot that sorts Gumballs by color may be able to save you countless hours of work! Just think no more late nights spent hunched over the coffee table sorting gumballs into their respective colors. 🙂 For the rest of us this is simply a cool adaptation of some technology to perform a neat task. The LEGO Mindstorm system has been
